Joshua 1:14
Your wives, your little ones, and your cattle, shall remain in the land which Moses gave you on this side Jordan; but ye shall pass before your brethren armed, all the mighty men of valour, and help them;
Cross-references
Joshua 4:12
Prophetic fulfillment
Joshua 4:12 records the literal fulfillment: the Transjordan tribes pass over armed as Moses had told them and as Joshua commanded here.
Numbers 32:19
Historical context
Numbers 32:19 records the same arrangement: the tribes refuse inheritance west of the Jordan, so their armed men must cross over to help.
Numbers 32:25
Historical context
Numbers 32:25 shows the tribes' obedient response to Moses' conditions, which is the background for Joshua's command here.
Deuteronomy 33:21
Allusion
Deuteronomy 33:21 prophetically describes Gad leading the people in battle, prefiguring the armed crossing commanded here.